Acids and Bases

Can you solve this new Chemical Mystery? (Video 1)

Can Alkaline Water Change Body pH?

In Chemical Mystery #19,¹ a yellow liquid is poured into a test tube, and the liquid turns red. When a white sold is added to the red liquid in the test tube, the liquid turns blue.

After teaching the concepts and calculations for acid and base strength, concentration, percent ionization, and pH I noticed many of my students were struggling to make meaningful connections between these calculations.

If you know me, you know that I love the Diet Coke and Mentos reaction. It’s so simple to carry out, but yields incredible results! Just drop a few Mentos candies into a bottle of a carbonated beverage and watch the magic take place! See video 1.

How do you demonstrate the workings and effectiveness of buffers in your acid-base unit?